for information andopensciencegood,i don't see how this can be harmful. when we tell north koreans -- i've been dealing with them for years, what they are doing is heading toward a path toward confrontation against their own interests. against their own economic growth by spending so much on nuclear weapons, on missile tests, that's the message that they receive, and maybe we'll do some good, maybe not. and then there is the american there. >> you didn't get a chance to meet with kenneth bay. his son had written a letter, that he was hopeful you would deliver to his father. what happened on that front? >> the letter will be delivered. kenneth bay is way up in the northern part of the country. not accessible to us. but we made the point very strongly that he should be treated properly. we were assured that the judicial proceedings on his case would happen soon. that's sometimes a good sign, because it means it may be wrapping up and hopefully he'll be released. nobody had been -- we have a swedish representative there. we don't have representatives in north korea, advocating for him. thi

life. really thrilling to have created the trackerforscienceclassrooms,educational programs around the world. see the general public and shark enthusiasts loving mary lee. a different kind of relationship that the public has had in the past. >> how does your mom feel about a 4,000-pound shark being named after her? >> she was giddy. laughing and crying at the same time. it's a big deal to name a shark after someone. we take it very seriously. we allow different members of the crew to name a shark after loved ones. and this is the most legend ear fish we have ever dealt with, home of jaws, massive animal and i had been waiting a long time to name a shark after my mom, and lo and behold, mary lee is a finer. her first question, is she pregnant? will i have some grand sharks? she got a kick out of that. >> chris fisher, founder of ocearch. track the shark. it's really fun. >> he was in utah, he was able to warn the people in jacksonville, the shark 200 yards off shore. >> thank you for talking with us. >> thank you for having me. >> you bet. >> maybe the shark is trying to fin the peo

? >> well no, for me it was really aboutthescience. we'relearning so much about the brain that we understand this is a brain illness, the american society of addiction medicines says that this is, there's no difference between the way a process addiction occurs like gambling or the way substance addiction comes. we're understanding these illnesses are in the brain. people need to know that. i'm about reducing stigma and shame and giving people the opportunity and the empowerment to do something about this illness if they want to. >> is it genetics? are certain people pre-disposed to being an addict. >> just like being pre-disposed to cancer or diabetes you also are for depression, anxiety and addiction and many of the genetics overlap so you might have a higher propensity for addiction but also anxiety, depression. they're common mechanisms in the brain. what i love about what chris did, he brought all of at dictions together. it's not just addiction to alcohol over here. if you're addicted to alcohol, better off than not you'll have problems in other areas of your life. so i thin